Home / 17,645.22-24,350.10-9,687.39

Finding the Fourth Proportional to 17,645.22, 24,350.10 and 9,687.39

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Solution

The fourth proportional to 17,645.22, 24,350.10 and 9,687.39 is: 13,368.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.22 : 24,350.10 = 9,687.39 : x
  2. Step 2: Convert to fraction form
    17,645.22/24,350.10 = 9,687.39/x
  3. Step 3: Cross multiply
    17,645.22x = 24,350.10 × 9,687.39
  4. Step 4: Simplify right side
    17,645.22x = 235,888,745.05
  5. Step 5: Solve for x
    x = 235,888,745.05/17,645.22
  6. Step 6: Final answer
    x = 13,368.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.